TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES
Online ISSN : 2189-4205
Print ISSN : 0549-3811
ISSN-L : 0549-3811
Swing-By Window Expansion for WSB Lunar Gravity Capture via Low Continuous Thrust
Keita TANAKAJun'ichiro KAWAGUCHI
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JOURNALS OPEN ACCESS

2013 Volume 56 Issue 1 Pages 25-30

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Abstract

Weak stability boundary (WSB) lunar gravity-capture transfers can save much effort (dV) on arrival at the Moon but there is a very narrow window of only a few days in a month to achieve these transfers. This is because WSB transfers require a specific orientation of the orbit with regard to the Sun, the Earth and the Moon to efficiently use the chaotic dynamics of the multi-body problem. In this paper, we propose controlling the orbit through small continuous acceleration. The results show that the window of the WSB transfer can be expanded up to a full month.

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© 2013 The Japan Society for Aeronautical and Space Sciences
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